/* Tổng quan */
    .page-xoso66link {
      font-family: 'Arial', sans-serif;
      color: #e0e0e0;
      background-color: #1a1a1a;
      line-height: 1.6;
      padding-bottom: 80px; /* Đảm bảo không bị nút nổi che khuất */
    }

    .page-xoso66link__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-xoso66link__section {
      background-color: #2a2a2a;
      border-radius: 10px;
      padding: 30px;
      margin-bottom: 30px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-xoso66link__heading-primary {
      color: #ffc107;
      text-align: center;
      margin-bottom: 20px;
      font-size: 2.5em;
      line-height: 1.2;
    }

    .page-xoso66link__heading-secondary {
      color: #00bcd4;
      margin-top: 30px;
      margin-bottom: 15px;
      font-size: 2em;
      text-align: center;
    }

    .page-xoso66link__heading-tertiary {
      color: #ffeb3b;
      margin-top: 25px;
      margin-bottom: 10px;
      font-size: 1.5em;
    }

    .page-xoso66link__paragraph {
      margin-bottom: 15px;
      color: #ccc;
    }

    .page-xoso66link__list {
      list-style: none;
      padding: 0;
      margin: 20px 0;
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      justify-content: center;
    }

    .page-xoso66link__list-item {
      background-color: #3a3a3a;
      border-left: 5px solid #00bcd4;
      padding: 15px 20px;
      border-radius: 8px;
      flex: 1 1 calc(33% - 20px); /* 3 items per row on desktop */
      box-sizing: border-box;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
      color: #e0e0e0;
    }

    .page-xoso66link__button {
      display: block;
      width: fit-content;
      margin: 20px auto;
      padding: 15px 30px;
      background-color: #ffc107;
      color: #333;
      text-decoration: none;
      border-radius: 50px;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      cursor: pointer;
      border: none;
    }

    .page-xoso66link__button:hover {
      background-color: #ffeb3b;
      transform: translateY(-2px);
    }
    
    .page-xoso66link__button a {
        color: #333;
        text-decoration: none;
    }

    /* Hero Section */
    .page-xoso66link__hero-section {
      background-color: #000;
      padding-top: 10px; /* Cho khoảng trống để tránh header cố định */
      position: relative;
      text-align: center;
      overflow: hidden;
      margin-bottom: 30px;
    }

    .page-xoso66link__hero-image {
      width: 100%;
      height: auto;
      max-height: 400px;
      object-fit: cover;
      display: block;
      filter: brightness(0.7); /* Làm tối ảnh để văn bản nổi bật */
    }

    .page-xoso66link__hero-content {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 90%;
      max-width: 800px;
      z-index: 1;
    }

    .page-xoso66link__hero-title {
      color: #fff;
      font-size: 3em;
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-xoso66link__hero-subtitle {
      color: #ffeb3b;
      font-size: 1.5em;
      margin-bottom: 30px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
    }

    /* Floating Login Button */
    .page-xoso66link__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #e91e63; /* Màu hồng nổi bật */
      color: #fff;
      padding: 15px 25px;
      border-radius: 30px;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      animation: page-xoso66link__pulse 2s infinite;
      cursor: pointer;
      border: none;
      text-align: center;
      text-decoration: none; /* Make sure it doesn't look like a link if it's a div */
    }

    .page-xoso66link__floating-button:hover {
      background-color: #c2185b;
      animation: none;
    }

    @keyframes page-xoso66link__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* Image Styling */
    .page-xoso66link__image-wrapper {
      text-align: center;
      margin: 20px 0;
    }

    .page-xoso66link__image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      display: block;
      margin: 0 auto;
    }

    /* FAQ Section */
    .page-xoso66link__faq-section {
      margin-top: 40px;
    }

    .page-xoso66link__faq-item {
      background-color: #3a3a3a;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-xoso66link__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      background-color: #4a4a4a;
      cursor: pointer;
      color: #ffeb3b;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-xoso66link__faq-question:hover {
      background-color: #5a5a5a;
    }

    .page-xoso66link__faq-question h3 {
      margin: 0;
      color: inherit;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
      flex-grow: 1;
    }

    .page-xoso66link__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 15px;
      pointer-events: none; /* Ngăn chặn toggle chặn sự kiện click */
      transition: transform 0.3s ease;
    }

    .page-xoso66link__faq-item.active .page-xoso66link__faq-toggle {
      transform: rotate(45deg); /* Chuyển dấu '+' thành 'x' hoặc '-' */
    }

    .page-xoso66link__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      color: #ccc;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-xoso66link__faq-item.active .page-xoso66link__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 20px !important;
      opacity: 1;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-xoso66link__container {
        padding: 15px;
      }

      .page-xoso66link__heading-primary {
        font-size: 2em;
      }

      .page-xoso66link__heading-secondary {
        font-size: 1.7em;
      }

      .page-xoso66link__hero-content {
        width: 95%;
      }

      .page-xoso66link__hero-title {
        font-size: 2.2em;
      }

      .page-xoso66link__hero-subtitle {
        font-size: 1.2em;
      }

      .page-xoso66link__list {
        flex-direction: column;
        gap: 15px;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-xoso66link__list-item {
        flex: 1 1 100%;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 15px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-xoso66link__list-item h4 {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-xoso66link__list-item p {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-xoso66link__image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-xoso66link__image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-xoso66link__floating-button {
        width: calc(100% - 40px);
        left: 20px;
        right: 20px;
        font-size: 1em;
        padding: 12px 20px;
      }

      .page-xoso66link__faq-question {
        font-size: 1.1em;
        padding: 15px;
      }

      .page-xoso66link__faq-answer {
        padding: 15px;
      }
      .page-xoso66link__hero-section {
        padding-top: 10px; /* Adjust for mobile fixed header */
      }
    }

    @media (max-width: 480px) {
      .page-xoso66link__hero-title {
        font-size: 1.8em;
      }

      .page-xoso66link__hero-subtitle {
        font-size: 1em;
      }

      .page-xoso66link__button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-xoso66link__floating-button {
        font-size: 0.9em;
        padding: 10px 15px;
      }
    }